- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesH - History of science and other interests
- SubseriesH1-H108 - History of Science
- FileH18-H28 - Paul Adrien Maurice Dirac (1902-1984)
- 3 more...
- ItemH21 - Correspondence
- ItemH22 - Commemoration of Dirac, Westminster Abey, 13 November 1995
- ItemH23 - 'Paul Dirac: aspects of his life and work', Dirac Memorial Address by A. Pais
- ItemH24 - Obituaries of Dirac
- ItemH25 - 'The monopole' by D. Olive
- ItemH26-H28 - Miscellaneous background material